diff --git a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs b/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs
index ace9c0152..e3ae013c3 100644
--- a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs
+++ b/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs
@@ -1,7 +1,6 @@
 using System;
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.XR;
 
 namespace UniVRM10
 {